*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:Roboto,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-weight:400;line-height:1.6;color:#333;background-color:#fafafa;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:Roboto,sans-serif;font-weight:500;line-height:1.3;margin-bottom:1rem}h1{font-weight:700;font-size:2.5rem}h2{font-weight:600;font-size:2rem}h3{font-weight:500;font-size:1.5rem}p{font-family:Roboto,sans-serif;font-weight:400;line-height:1.6;margin-bottom:1rem}a{font-family:Roboto,sans-serif;color:#667eea;text-decoration:none;transition:color .3s ease}a:hover{color:#764ba2}button,input,select,textarea{font-family:Roboto,sans-serif}.container{max-width:1200px;margin:0 auto;padding:0 1rem}html{scroll-behavior:smooth}*:focus{outline:2px solid #667eea;outline-offset:2px}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}